package tk.uodrad.apex.project.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import tk.uodrad.apex.project.ex.ServiceException;
import tk.uodrad.apex.project.mapper.ParkingMapper;
import tk.uodrad.apex.project.pojo.dto.ParkingAddNewDTO;
import tk.uodrad.apex.project.pojo.dto.ParkingUpdateDTO;
import tk.uodrad.apex.project.pojo.entity.Parking;
import tk.uodrad.apex.project.pojo.vo.ParkingListVO;
import tk.uodrad.apex.project.pojo.vo.PeopleListVO;
import tk.uodrad.apex.project.service.ParkingService;
import org.springframework.stereotype.Service;
import tk.uodrad.apex.project.utils.InitRandomCode;
import tk.uodrad.apex.project.web.ServiceCode;

import java.util.Date;

/**
* @author uodrad
* @description 针对表【parking_management】的数据库操作Service实现
* @createDate 2023-04-08 12:22:09
*/
@Service
@Slf4j
public class ParkingServiceImpl extends ServiceImpl<ParkingMapper, Parking>
    implements ParkingService{

    @Autowired
    private ParkingMapper parkingMapper;

    /**
     * 添加单个车位
     * @param parkingAddNewDTO 添加车位DTO
     */
    @Override
    public void save(ParkingAddNewDTO parkingAddNewDTO) {
        //新建一个Parking对象并将传入的DTO复制给Parking
        Parking parking = new Parking();
        BeanUtils.copyProperties(parkingAddNewDTO, parking);
        //parking
        parking.setGmtCreate(new Date());
        //创建MyBatis-plus提供的Wrappers类下的query()方法
        QueryWrapper<Parking> wrapper = Wrappers.query();
        //用eq方法用于判断数据库中是否有name等于当前Parking的name（其他模块一般根据实际情况判断数据是否存在）
        wrapper.eq("name", parking.getName());
        Parking selectOne = parkingMapper.selectOne(wrapper);
        if (selectOne != null) {
            String message = "新增数据失败，当前数据已存在！";
            log.warn(message);
            throw new ServiceException(ServiceCode.ERROR_CONFLICT, message);
        }
        //生成编号
        parking.setCode(InitRandomCode.initCode("pm"));
        //插入数据，并判断是否插入成功
        int rows = parkingMapper.insert(parking);
        if (rows != 1) {
            String message = "服务器忙，请稍后再试！";
            log.warn(message);
            throw new ServiceException(ServiceCode.ERROR_INSERT, message);
        }
    }
    /**
     * 根据ID修改车位
     * @param parkingUpdateDTO 修改车位DTO
     */
    @Override
    public void updateById(ParkingUpdateDTO parkingUpdateDTO) {
        //根据传入的DTO中的ID查询数据库中是否存在该数据
        Parking parkingById = parkingMapper.selectById(parkingUpdateDTO.getId());
        if (parkingById == null) {
            String message = "修改数据失败，当前数据不存在！";
            log.warn(message);
            throw new ServiceException(ServiceCode.ERROR_NOT_FOUND, message);
        }
        //创建一个Parking对象，将传入的DTO复制给Parking对象
        Parking parking = new Parking();
        BeanUtils.copyProperties(parkingUpdateDTO, parking);
        //给parking对象赋值创建时间
        parking.setGmtModified(new Date());
        //更新数据，并判断是否更新成功
        int rows = parkingMapper.updateById(parking);
        if (rows != 1) {
            String message = "服务器忙，请稍后再试！";
            log.warn(message);
            throw new ServiceException(ServiceCode.ERROR_UPDATE, message);
        }
    }

    /**
     * 分页查询车位列表
     * @param pageNum 第几页
     * @param pageSize 每页多少条数据
     * @return IPage<Parking> 分页对象
     */
    @Override
    public IPage<ParkingListVO> list(Integer pageNum, Integer pageSize, String communityCode) {
        Page<ParkingListVO> page = new Page<>(pageNum, pageSize);
        return parkingMapper.selectPageVo(page, communityCode);
    }

    @Override
    public Integer countParking() {
        return parkingMapper.countParking();
    }
}




